13. Is (-3, 4) a solution of y âĨ Âģââx +32? Explain your answer.
no
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8d. Part D If the library buys 8 hardcover books, how many paperback can it buy?
11
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thief
Give points!
5
10
15
20
25
fairy
Take points!
5
10
15
20
25
shark
Other team loses 10 points!
Okay!
lifesaver
Give 15 points!
Oops!
eraser
Reset score!
Oops!
fairy
Take points!
5
10
15
20
25
fairy
Take points!
5
10
15
20
25
lifesaver
Give 25 points!
Oops!
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8a. The library is ordering books. Hardcovers cost $20 and paperbacks cost $12. The libraryâs budget is $300. Part A: Write a linear equation to represent the budget.
20x + 12y = 300
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15
6d. Is each ordered pair a solution of y < 2x + 3? (-5,6)
no
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5B. Write the linear inequality that represents each graph.
y âĨ 2x - 1
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trap
No points!
Oops!
star
Double points!
Okay!
fairy
Take points!
5
10
15
20
25
thief
Give points!
5
10
15
20
25
15
10. Nancy has a snack budget of $12. Chips are $0.25 per bag and soda is $1.25 per can. Write an inequality that represents the number of chips c and sodas s she can purchase.
0.25c + 1.25s âĪ 12
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baam
Lose 25 points!
Oops!
gold
Win 50 points!
Okay!
shark
Other team loses 20 points!
Okay!
lifesaver
Give 20 points!
Oops!
15
3. Write the equation of a line in slope-intercept form that has a slope of -ž and passes through (2, 5).
y = -1/4x + 5 1/2
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15
8c. Part C If the library buys 15 paperback books, how many hardcover books can it buy?
6
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15
12. Is (-2, -4) â a solution of y âĨ 3x + 2?
yes- it falls on the solid boundary line so it is included in the solution set
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15
9b. Part B: If Taryn deposited an additional $450 in her savings account, in how many months will her balances be the same?
3 months
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2. Line r is shown on the graph. What is the equation of line r?
y= -3/2x + 4
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9a. Part A: In how many months will her checking account balance equal her savings account balance?